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HTTR(高温工学試験研究炉)の試験・運転と技術開発(2012年度)

Operation, test, research and development of the High Temperature Engineering Test Reactor (HTTR) (FY2012)

高温工学試験研究炉部

Department of HTTR

日本原子力研究開発機構大洗研究開発センターのHTTR(高温工学試験研究炉)は、熱出力30MWの黒鉛減速ヘリウムガス冷却型原子炉で、我が国初の高温ガス炉である。平成24年度は、平成23年度から引き続いて設備点検及び地震応答解析による東北地方太平洋沖地震(平成23年3月11日)後の原子炉施設の健全性確認を行うとともに、原子炉建家等の補修等を行い、HTTRの再稼働に向けての活動を実施した。本報告書は、平成24年度(2012年)のHTTRの運転と保守及び各種技術開発の状況等について紹介する。

The High Temperature Engineering Test Reactor (HTTR) constructed at the Oarai Research and Development Center of the Japan Atomic Energy Agency (JAEA) is the first high-temperature gas-cooled reactor (HTGR) in Japan. The HTTR is a graphite-moderated and helium gas-cooled reactor with 30 MW of thermal power. In fiscal year 2012, the certification evaluation of the nuclear facilities after the 2011 off the Pacific coast of Tohoku Earthquake (2011.3.11) was carried out with the equipment inspections and the seismic response analysis continuously after fiscal year 2011. Moreover, the action to re-operate the HTTR, such as repair works of the reactor buildings were done. This report summarizes activities and results of HTTR operation, maintenance, and several R&Ds, which were carried out in the fiscal year 2012.

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